The pressure builds and you start counting down minutes until you eat. You set your sealing ring right on the pressure cooker lid, hearing that snug fit that means the steam will stay put. Then you get to hear that valve hiss, letting you know the pressure build is hitting the mark. It all feels kinda exciting like you're getting ready for a tasty reward.

While the soup cooks under pressure, you notice this awesome smell sneaking into your kitchen. The roasted tomatoes and garlic are working their magic real good, or well, working their flavor out. You can’t wait for that tender pull when you open the lid and the aroma kinda hits you in the face all warm and bright.
When the timer counts down, you lift the lid and a fresh wave of roasted goodness fills the room. You stir in some half-and-half if you want, making it creamy and smooth, just how you like it. This roasted tomato and garlic soup is dang flavorful and way easier with the pressure cooker doing the heavy lifting.
The Real Reasons You Will Love This Method
- You get a deep roasted flavor 'cause you roast veggies first before pressure cooking.
- Cooks super quick, way faster than stovetop simmering for a rich soup.
- The pressure cooker locks in all those yummy steam cues, making veggies tender quick.
- Easy cleanup since it’s all in one pot after roasting and blending.
- Adjust spiciness and creaminess to your taste right at the end, super flexible.
Using a pressure cooker method is a fantastic way to boost your cooking speed without sacrificing flavor. For more on pressure cooking techniques, check our easy Thai baked chicken meatballs and ultimate quinoa instant pot guide, both of which offer insight into efficient cooking with bold flavors.
Your Simple Ingredient Checklist
- 1 ½ pounds roma tomatoes - fresh roma tomatoes work real good for a rich base.
- 1 head garlic, halved - roasting garlic like this softens and sweetens it big time.
- 1 yellow onion, cut into wedges - onions add that nice savory depth.
- ¼ cup olive oil - for roasting, gives everything a beautiful caramelized touch.
- 1 teaspoon kosher salt, divided - split the salt for roasting and seasoning later.
- 2 cups broth - vegetable, chicken, or bone broth all work fine for your soup base.
- 1 tablespoon fresh oregano or 1 ½ teaspoons dried oregano - herb goodness to lift the flavor.
- A pinch of smoked paprika and red pepper flakes - for subtle smoky heat that wakes you up.
- ¾ cup half-and-half, optional - makes the soup creamy, but you can skip if you want it lighter.

Your Complete Cooking Timeline
- Preheat your oven to 425°F. This gets your roasting ready fast.
- Arrange the roma tomatoes, garlic halves, and onion wedges on a baking sheet. Drizzle olive oil over them, then sprinkle half the salt and toss everything together so it’s all nice and coated.
- Roast vegetables for 25 to 30 minutes, till the tomatoes soften, onions get charred edges, and garlic cloves turn golden and tender. This roasting step builds serious flavor you gotta wait for.
- Pull veggies out and let the head of garlic cool enough to squeeze out cloves easily. That roasted garlic is soft, so it’s gotta be scooped from the skin real gently.
- Put roasted tomatoes, onion, and garlic into a blender. Add broth, oregano, smoked paprika, red pepper flakes, and the rest of the salt. Then blend until super smooth.
- Pour this blended soup into a pot and bring it to a gentle simmer over medium heat to let all those flavors meld together, about 5 to 10 minutes. This step ties everything in.
- Optional: stir in half-and-half and heat through without boiling if you want creamy richness. It smooths it out real nice.
- Taste and adjust seasoning if needed. Serve warm, cozy and ready to slurp up.
Easy Tweaks That Make Life Simple
- Use pre-roasted tomatoes from a jar when you’re short on time, just heat and blend along with garlic and onion. Try it to cut prep time like with our vegan galette recipe.
- Swap fresh oregano for dried if you run out. It’s perfect for last-minute cooking and still adds great flavor.
- Half and half is optional, but adding coconut milk or plain cream works too if you want to switch it up.
- Pressure cook the soup after blending to get it extra hot and meld flavors faster if you’re super hungry, just watch the sealing ring and valve hiss.
The Flavor Experience Waiting for You
You gonna notice the rich roasted tomato flavor hits first, kinda tangy but mellow from that long roasting time. It’s like summer in a bowl.
The tender pulled garlic adds a mellow sweetness that softens the sharp tomato edge in a way that feels so comforting. Garlic is the soul of this soup.
The smoked paprika and red pepper flakes give it just a little kick, not overwhelming but enough to make you sit up and pay attention. It’s a cozy heat that warms your insides.
The optional creamy swirl from half-and-half takes it to another level of smoothness, making your spoon glide through every bite like a dream. You’ll wanna go back for seconds.

Smart Storage That Actually Works
- Refrigerate in an airtight container for up to 4 days. The flavors actually get better after a day.
- Freezing works great if you wanna save some for later. Use freezer-safe jars or bags and thaw overnight in the fridge before reheating.
- Reheat gently in a pot over low heat, stirring so it doesn’t stick or scorch at the bottom. You gotta go slow to keep that smooth texture.
- Leftover soup also makes a great sauce for pasta or rice dishes. Just heat and pour it over for a quick flavor boost.
Everything Else You Wondered About
- Q: Can I skip roasting? A: Roasting brings real deep flavor, but if you’re in a rush, blending fresh tomatoes with some sautéed garlic and onion will work okay.
- Q: Should I peel tomatoes? A: Not necessary. The pressure cooker and blender get them soft enough to break down without peeling.
- Q: What’s the best broth to use? A: Vegetable broth keeps it light and fresh, while chicken or bone broth adds more depth. Depends on what you’re feeling.
- Q: Can I make it vegan? A: Yep, just use vegetable broth and swap half-and-half for coconut milk or leave it out entirely.
- Q: What if my soup is too thick? A: Just add more broth or water while simmering to thin it out to your liking.
- Q: How do I get that perfect seal on my pressure cooker? A: Always check your sealing ring is clean and sits snug before you lock the lid. You’ll hear that valve hiss when the pressure builds right.

Roasted Tomato and Garlic Soup
Equipment
- 1 blender high-powered
- 1 pot large
Ingredients
Main ingredients
- 1 ½ pounds roma tomatoes fresh
- 1 head garlic halved crosswise
- 1 yellow onion cut into wedges
- ¼ cup olive oil
- 1 teaspoon kosher salt divided
- 2 cups broth vegetable, chicken, or bone
- 1 tablespoon fresh oregano or 1 ½ teaspoons dried
- ¼ teaspoon smoked paprika
- ¼ teaspoon red pepper flakes
- ¾ cup half-and-half optional
Instructions
Instructions
- Preheat oven to 450ºF with racks in upper-middle and lower-middle positions.
- Toss onion with 2 tablespoons oil and ½ teaspoon salt on a sheet pan. Place garlic halves cut side down. Roast on upper rack.
- Toss tomatoes with 2 tablespoons oil and ½ teaspoon salt on another sheet. Roast on lower rack.
- Roast vegetables for 15 minutes, then rotate pans and continue roasting for another 15 minutes, until softened and beginning to brown.
- Let garlic cool slightly, then squeeze roasted cloves from skins into a blender.
- Add roasted tomatoes, onions, broth, oregano, paprika, red pepper flakes, and remaining salt to blender. Blend until smooth.
- Transfer blended soup to a pot and bring to simmer over medium-low heat for 5–10 minutes.
- Optional: Stir in half-and-half gently without boiling. Adjust salt and pepper to taste.




